4520532021 has 8 divisors (see below), whose sum is σ = 6141100320. Its totient is φ = 2956825872.

The previous prime is 4520532001. The next prime is 4520532053. The reversal of 4520532021 is 1202350254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4520532021 - 2⁷ = 4520531893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520531982 and 4520532000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520532001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14215351 + ... + 14215668.

It is an arithmetic number, because the mean of its divisors is an integer number (767637540).

Almost surely, 2^4520532021 is an apocalyptic number.

It is an amenable number.

4520532021 is a deficient number, since it is larger than the sum of its proper divisors (1620568299).

4520532021 is a wasteful number, since it uses less digits than its factorization.

4520532021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28431075.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4520532021 is about 67234.9018070228. The cubic root of 4520532021 is about 1653.4707500419.

Adding to 4520532021 its reverse (1202350254), we get a palindrome (5722882275).

The spelling of 4520532021 in words is "four billion, five hundred twenty million, five hundred thirty-two thousand, twenty-one".